Experience the fun of DIY by easily building and customizing your own overdrive pedal; no soldering required! Furthermore, the OD-S is equipped with a powerful Nu:tube fully analog triode vacuum tube for a warm sound and rich harmonic response that will delight all guitarists. Build your own FX pedalCreating your own pedal can seem like a daunting task and the results aren’t guaranteed. The OD-S offers a solderless, easy-to-build kit that is also customizable to help you shape the overdrive tone that’s as individual as you. Authentic tube soundNutube is a new and revolutionary fully analog triode vacuum tube developed by KORG INC. and Noritake Itron Corporation. The same as a conventional vacuum tube, Nutube is constructed with an anode, grid and filament, and operates as a complete triode tube, effectively generates the same performance response and rich harmonic characteristics of conventional vacuum tubes in a more compact, stable and energy-efficient way. Plenty of sonic possibilitiesThe OD-S has 2 GAIN knobs. In addition to adjusting the input level to the vacuum tube (GAIN), the anode load of the vacuum tube amplification circuit can be changed using the TUBE GAIN. This allows you to accurately adjust the sound from the vacuum tube to your liking. Specifications Vacuum Tube: Nutube 6P1 Connections: INPUT/OUTPUT (monaural stereo jack), DC 9V stereo minijack Power: Single 9V alkaline battery(6LF22/6LR61)(sold separately) or a DC9V AV adapter (sold separately) KA181(DC9V) Battery life: Approx. 10 hours Power Consumption: 46mADimension (W x D x H):122.×.96.×.55mm.Weight:340g (without batteries) Options: KORG AC adapter KA181 (DV9V) Watch: Nu:Tekt OD-S - Unboxing and Assembly tutorial